Celestron LABS CM800 Cordless Monocular Microscope Monocular Eyepiece is Angled at 45° 4x, 10x, 40x Objectives 10x and 20x Wide Field Eyepieces Magnification Range from 40x to 800x LED Illumination / 0.65 NA Condenser Coarse Focusing 3.5 x 3.5" Stage / Spring-Loaded Clips Diaphragm Wheel with 6 Apertures 3 AA batteries included for field use The Celestron Labs CM800 compound microscope offers today's latest advances at an economical price, including upper and lower LED lighting that provides bright, natural colors, yet stays cool to the touch. Two included eyepieces (10x and 20x) and 3 objective lenses (4x, 10x and 40x) allow for magnifications of 40x, 80x, 100x, 200x, 400x and 800x. Strong and stable thanks to its all-metal construction, this microscope features an adjustable, stage with metal clips to center your specimen slides. The 10 included prepared slides guarantee exciting discoveries right out of the box. The simple condenser with rotating disc adjusts the lower illumination for enhanced viewing. All these features make the CM800 an excellent tool for labs, schools, field use and more. Features: Lab-ready compound microscope with 800x power 10x and 20x eyepieces with 4x, 10x and 40x objective lenses View specimens at 40x, 100x, 250x, 400x, 800x magnification Built-in, adjustable, upper and lower LED illumination 3 AA batteries included for field use 10 prepared slides included In the Box Celestron LABS CM800 Cordless Monocular Microscope 2 x Wide-Field Eyepieces 10 x Prepared Slides 3 x AA Batteries Power Cord Celestron CM800 Specs GENERAL Type of Microscope: Compound Head: Monocular with 45° incline Eyepiece(s) Magnification: (1) WF 10x, (1) WF 20x Eyepiece(s) Diameter: 23.2mm (.91") Nosepiece: triple, rotational Objective(s) Type: Refractive Objective(s) Standard: JIS Objective(s) Magnification: (3) 4x/10x/40x, all achromatic Objective(s) Thread: WJ3/5"-1/40" Focus Type(s): Rack and pinion, coarse focus only Focus Travel (per rotation): 8mm (.31") Magnification Range: 40x to 800x (40x, 80x, 100x, 200x, 400x, 800x) Illumination Type: LED Illumination Position(s): Lower and upper Illumination Adjustability Mechanism: Dial, both upper and lower offer adjustable intensity Power Source: Universal AC 100-240V adapter and interchangeable plugs of type A, C, G, and I configurations Battery Option: (3) AA (Included) Stage: Plain stage with metal clips 88mm x 88mm (3.46" x 3.46") Condenser Type: None Condenser N.A.: 0.65 Stage Diaphragm: Simple, rotating disc with six aperture sizes Included Items: 10 Prepared Slides:1. Wall of stomach, sec.2. Stratified flat epithelium, sec.3. Testis, sec.4. Aspergillus, w.m.5. Rhizopus nigricans, w.m.6. Small intestine, c.s.7. Lily anther, c.s.8. Hydrilla verticallata, w.m.9. Spirogyra, w.m.10. Lily ovary, c.s.